Apple (AAPL 2.24%) has come down a little since it rallied in the wake of the fiscal cliff deal, and it's come down a lot since its all-time high back in September. But with the earnings report from the biggest quarter of the year less than three weeks away, investors will be kicking themselves if they get out of their Apple positions now. In this video, Motley Fool tech and telecom analyst Andrew Tonner discusses the continued massive sales growth of Apple's iPhones and iPads, and he highlights just how big Apple's upside really is.